Operator2Expr.h

Go to the documentation of this file.

/*
 * Operator2Expr.h: interface for the COperator2Expr class.
 * Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Erwin Coumans makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 */

#if !defined _OPERATOR2EXPR_H
#define _OPERATOR2EXPR_H


#include "Expression.h"
#include "Value.h"  // Added by ClassView

class COperator2Expr : public CExpression  
{
    //PLUGIN_DECLARE_SERIAL_EXPRESSION (COperator2Expr,CExpression)

public:
    virtual bool MergeExpression(CExpression* otherexpr);
    virtual unsigned char GetExpressionID() { return COPERATOR2EXPRESSIONID;};
    virtual void BroadcastOperators(VALUE_OPERATOR op);
    CExpression* CheckLink(std::vector<CBrokenLinkInfo*>& brokenlinks);
    //virtual bool IsInside(float x,float y,float z,bool bBorderInclude=true);
    //virtual bool IsLeftInside(float x,float y,float z,bool bBorderInclude);
    //virtual bool IsRightInside(float x,float y,float z,bool bBorderInclude);
    bool NeedsRecalculated();
    void    ClearModified() { 
        if (m_lhs)
            m_lhs->ClearModified();
        if (m_rhs)
            m_rhs->ClearModified();
    }
    virtual CValue* Calculate();
    COperator2Expr(VALUE_OPERATOR op, CExpression *lhs, CExpression *rhs);
    COperator2Expr();
    virtual ~COperator2Expr();

    
protected:
    CExpression * m_rhs;
    CExpression * m_lhs;
    CValue* m_cached_calculate; // cached result
    
private:
    VALUE_OPERATOR m_op;


#ifdef WITH_CXX_GUARDEDALLOC
public:
    void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:COperator2Expr"); }
    void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif // !defined _OPERATOR2EXPR_H